/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jasper.runtime;

import java.lang.reflect.InvocationTargetException;

import javax.naming.NamingException;

import org.apache.AnnotationProcessor;

/**
 * Verify the annotation and Process it.
 * 
 * @author Fabien Carrion
 * @author Remy Maucherat
 * @version $Id: AnnotationHelper.java 939520 2010-04-30 00:14:14Z kkolinko $
 */
public class AnnotationHelper {

	/**
	 * Call postConstruct method on the specified instance. Note: In Jasper,
	 * this calls naming resources injection as well.
	 */
	public static void postConstruct(AnnotationProcessor processor,
			Object instance) throws IllegalAccessException,
			InvocationTargetException, NamingException {
		if (processor != null) {
			processor.processAnnotations(instance);
			processor.postConstruct(instance);
		}
	}

	/**
	 * Call preDestroy method on the specified instance.
	 */
	public static void preDestroy(AnnotationProcessor processor, Object instance)
			throws IllegalAccessException, InvocationTargetException {
		if (processor != null) {
			processor.preDestroy(instance);
		}
	}

}
